Some trailer builders just connect this wire to the frame then connect the ground from all the other lights and accessories to the frame as well. 5 wire trailer wiring diagram.

Led Small Trailer Marker Brake Stop Turn Tail Light Kit Wiring License Light
Led trailer lights diagram. Trailer wiring diagram led lights best new wiring diagram for led. Also it must connect with things if included that use the aux power and back up lights too. Wiring diagrams for utility trailer best utility trailer wiring. If you are referring to installing the lights on your vehicle you would need to use a circuit tester part 40376 to test the functions of each wire. Led trailer lights wiring diagram collections of astra h rear light wiring diagram fresh wiring diagram trailer led. An extra pin allows using another extra function.
5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle. Wiring diagram trailer lights 2017 wiring diagram boat trailer. The trailer wiring diagram shows this wire going to all the lights and brakes. I bought led lights for my trailer the ds has five wires black red white green bluethe ps has four wires black red bluei ran power from a battery to a circuit tester and hook white wire up to a grdi tried 12 volts to the colored wires buy no lights work. To install the optronics led trailer lights part stl22rb you will need to use the straight 3 wire pigtail part a45pbthe red wire of a45pb will carry the turn signal function the black wire is for running lights and white is ground.